| alfalfa |
Medicago sativa |
1 |
| apple |
Malus domestica |
1 |
| ash |
Fraxinus spp. |
2 |
| aspen/poplar |
Populus spp. |
1 |
| carrot |
Daucus carota ssp. sativus |
1 |
| citrus |
Citrus spp. |
4 |
| common bean |
Phaseolus vulgaris |
4 |
| cucumber |
Cucumis sativus |
4 |
| flue-cured tobacco |
Nicotiana tabacum (flue-cured type) |
2 |
| lemon |
Citrus x limon |
6 |
| lettuce |
Lactuca sativa |
1 |
| orange |
Citrus x sinensis |
2 |
| pepper |
Capsicum spp. |
1 |
| potato |
Solanum tuberosum |
3 |
| squashes (general) |
Cucurbita pepo |
1 |
| sugar beet |
Beta vulgaris ssp. vulgaris (sugar beet group) |
5 |
| sweetpotato |
Ipomoea batatas |
1 |
| tomato |
Lycopersicon esculentum |
2 |